J. L. Dou

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Spatial estimations are increasingly used to estimate geocoded ambient particulate matter (PM) concentrations in epidemiologic studies because measures of daily PM concentrations are unavailable in most U.S. locations. This study was conducted to a) assess the feasibility of large-scale kriging estimations of daily residential-level ambient PM(More)
Geographic Information Systems (GIS) have the potential to provide critical support during crisis situations. Unfortunately, most GIS require expert knowledge to operate and do not support collaboration between decision makers. A human-centered systems approach was used to develop the prototype of a multimodal, dialog-assisted visual environment for(More)
Speculative parallelisation (also known as speculative multithreading and thread-level speculation) is a technique that complements automatic compiler parallelisation by allowing code sections that cannot be fully analysed by the compiler to be aggressively executed in parallel. However, while speculative parallelisation can potentially deliver significant(More)
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